Homepage › Forums › NJ BMX Racing › NJ Racing old › Hi-tech training tool › Reply To: Hi-tech training tool October 18, 2007 at 1:59 pm #51413 CWCCRIDERMember Hey is that BMX legend ??? @RFarside wrote: They are finally out. The new Shimano DXR cranks equipped with SRM. If you look behind the seatpost you will see the data box that will store all the info. This will be the new hi-tech training tool.